﻿#region License

// Copyright (c) 2013, ClearCanvas Inc.
// All rights reserved.
// http://www.clearcanvas.ca
//
// This file is part of the ClearCanvas RIS/PACS open source project.
//
// The ClearCanvas RIS/PACS open source project is free software: you can
// redistribute it and/or modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// The ClearCanvas RIS/PACS open source project is distributed in the hope that it
// will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
// Public License for more details.
//
// You should have received a copy of the GNU General Public License along with
// the ClearCanvas RIS/PACS open source project.  If not, see
// <http://www.gnu.org/licenses/>.

#endregion

using System;
using System.Windows.Forms;
using ClearCanvas.Common;

namespace ClearCanvas.Desktop.Help
{
	[ExtensionPoint]
	public sealed class AboutDialogExtensionPoint : ExtensionPoint<IAboutDialog>
	{
		public static IAboutDialog CreateDialog()
		{
			try
			{
				return (IAboutDialog) new AboutDialogExtensionPoint().CreateExtension();
			}
			catch (Exception)
			{
				return new AboutForm();
			}
		}
	}

	public interface IAboutDialog
	{
		DialogResult ShowDialog();
	}
}